API 653 Section 6 Practice
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- Answer: 6.1 General
-The purpose of inspection is to assure continued tank integrity.
-Periodic in-service inspection of tanks shall be performed as defined in
API 653 Section 6.
-Inspections, other than those defined in 6.3 shall be directed by an
authorized inspector.
6.2 Inspection Frequency Considerations
Factors to be considered to determine inspection intervals:
,-The nature of the product stored
-The results of visual maintenance checks
- Answer: 6.2 Inspection Frequency Considerations Continued:
Factors to be considered to determine inspection intervals:
-corrosion allowances and corrosion rates
-corrosion prevention systems
-conditions at previous inspections
-the methods and materials of construction and repair
-the location of tanks, such as those in isolated or high risk areas
-the potential risk of air or water pollution
-leak detection systems
-change in operating mode (e.g. frequency of fill cycling, frequent
grounding of floating roof support legs)
-jurisdiction requirements
-change in service (including changes in water bottoms)
-the existence of a double bottom or a release prevention barrier
- Answer: 6.2.2
, Interval between inspections (both internal and external) is most
influenced by its service history unless special reasons indicate that an
earlier inspection is required.
6.2.3
Jurisdictional regulations (i.e., vapor loss values, seal condition, leakage,
proper diking and repair procedures) control the frequency and interval
of the inspections.
Knowledge of such regulations is necessary to ensure compliance with
inspection requirements.
- Answer: 6.3 Inspections from the Outside of the Tank
6.3.1.1 Routine In-service Inspections can be done by:
- By owner/operator personnel
- Authorized inspectors
- Anyone who has knowledge about the tank and its operation
6.3.1.2 Interval of routine in-service inspections
- shall be consistent with conditions at the particular site, but shall not
exceed one month.
6.3.1.3 Routine in-service inspection:
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- Answer: 6.1 General
-The purpose of inspection is to assure continued tank integrity.
-Periodic in-service inspection of tanks shall be performed as defined in
API 653 Section 6.
-Inspections, other than those defined in 6.3 shall be directed by an
authorized inspector.
6.2 Inspection Frequency Considerations
Factors to be considered to determine inspection intervals:
,-The nature of the product stored
-The results of visual maintenance checks
- Answer: 6.2 Inspection Frequency Considerations Continued:
Factors to be considered to determine inspection intervals:
-corrosion allowances and corrosion rates
-corrosion prevention systems
-conditions at previous inspections
-the methods and materials of construction and repair
-the location of tanks, such as those in isolated or high risk areas
-the potential risk of air or water pollution
-leak detection systems
-change in operating mode (e.g. frequency of fill cycling, frequent
grounding of floating roof support legs)
-jurisdiction requirements
-change in service (including changes in water bottoms)
-the existence of a double bottom or a release prevention barrier
- Answer: 6.2.2
, Interval between inspections (both internal and external) is most
influenced by its service history unless special reasons indicate that an
earlier inspection is required.
6.2.3
Jurisdictional regulations (i.e., vapor loss values, seal condition, leakage,
proper diking and repair procedures) control the frequency and interval
of the inspections.
Knowledge of such regulations is necessary to ensure compliance with
inspection requirements.
- Answer: 6.3 Inspections from the Outside of the Tank
6.3.1.1 Routine In-service Inspections can be done by:
- By owner/operator personnel
- Authorized inspectors
- Anyone who has knowledge about the tank and its operation
6.3.1.2 Interval of routine in-service inspections
- shall be consistent with conditions at the particular site, but shall not
exceed one month.
6.3.1.3 Routine in-service inspection:
